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artificial intelligence

14,191 papers

#artificial intelligence Preprint Open access Oct 2026

An Informational Curse of Horizon in Goal-Conditioned Policy Learning

The difficulty of learning goal-reaching policies is often attributed to a "curse of horizon" that manifests as bias accumulation in temporal-difference backups and noisy advantage estimates. In this work, we identify an additional informational curse of horizon in goal-conditioned policy learning, where increasing the...

John L. Zhou, Yuxuan Dong, Jonathan C. Kao · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Adversarial Images Hijack Web Agents from Visual Grounding to Browser Execution

Modern web agents built on large vision-language models process webpages, select relevant UI elements, and translate model outputs into browser actions. Existing visual red-teaming approaches use adversarial visual content to manipulate this process. However, they primarily target model inference and do not explicitly...

Wanjing Han, Levi Taiji Li, Mu Zhang et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Conditional Accuracy Profiles: Diagnosing LLM Judges across Deployment Conditions

LLM-as-judge is now a standard tool for scalable evaluation, but judge performance is still often summarized by a single accuracy number. This aggregate view hides the deployment conditions under which a judge succeeds or fails. We introduce \textbf{Conditional Accuracy Profiling} (CAP), a post-hoc diagnostic framework...

Wen-Qi Li, Bin Liu, Min-Di Ruan et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Consistent Distribution Matching for Data-Free Diffusion Distillation

Flow and diffusion models suffer from slow inference due to computationally expensive numerical integration. Distillation provides a promising way for a student model to learn from a teacher's dynamics, enabling one-step or few-step generation. However, existing methods often depend on curated distillation datasets, co...

Yuxiang Fu, Qi Yan, Zike Wu et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

A Deterministic Evidence Layer for Vision-Language Autism Screening from Naturalistic Home Video

Autism spectrum disorder (ASD) is diagnosed through specialist observation of a child's social behavior, and access to that expertise is the bottleneck for early identification. Vision-language models (VLMs) describe a child's behavior from video well; the verdict drawn from the description is unstable: at temperature~...

Wenqi Li, Mindi Ruan, Chuanbo Hu et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

CurveTQ: Rotation-Free Trellis Quantization of LLM Weights via Curvature-Weighted Search

The best two-bit weight quantizers for large language models, such as QTIP and Proteus, rotate each weight matrix by a random orthogonal transform, which must be undone at every decoding step, then encode it with a trellis or lattice code under a Euclidean search; the layer Hessian enters only through error feedback be...

Guanhua Ding, Zi Wang, Ruichao Li et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Multi-Objective Aligned Small Language Model Framework for SUD Patient Dialogue Generation

Substance Use Disorder (SUD) counseling requires patient responses that reflect underlying cognitive states such as beliefs, coping strategies, and readiness for change. Although large language models (LLMs) can generate fluent text, they often fail to produce cognitively coherent and clinically realistic patient behav...

Thushara Manjari Naduvilakandy, Hyeju Jang, M. Al Hasan · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Do Vision Models Learn Physical Constraints or Rendering Shortcuts? A Counterfactual Benchmark for Grounded Physical Consistency

Modern image editing models can satisfy a text instruction while breaking the physics of the edited scene. A new object may cast no shadow, a mirror may fail to reflect visible geometry, or an object may float above a surface that should support it. We study physical plausibility diagnosis, detecting whether an edited...

M. Moein Esfahani, Sepehr Salem, Mohammed Alser et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Patient, Place, Prior (P$^3$): What Counts as Personalization in Medical World Models?

Longitudinal models forecast how a patient's imaging state evolves, but accuracy does not show whether the patient's observed trajectory drives the prediction. A population-average forecast may be useful but cannot establish a patient-specific world-model claim. We introduce Patient, Place, Prior (P$^3$), an audit aski...

Xingrui Gu, Hanxue Gu, Yuxiang Zhang et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

LayerRoPE: Dynamic Depth-wise Magnitude & Angular Superposition

As data propagates through a Transformer, the norm of its hidden states grows by orders of magnitude with depth, a phenomenon framed as 'curse of depth' and nearly universally treated as a pathology to be suppressed. We take the opposite view. Across 16 pre-trained LLMs from 9 families, spanning dense, mixture-of-exper...

Shikhar Srivastava, Christopher Kanan · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Lower Bounds for Parallel Diffusion Sampling

Standard diffusion samplers generate samples through repeated evaluations of a learned score function. Parallel sampling methods seek to accelerate generation by trading additional evaluations for fewer sequential rounds. This raises the question of how much sequential dependence is unavoidable, even when many score qu...

Yiwen Kou, Yimeng Wang · 0 citations
#artificial intelligence Preprint Open access Oct 2026

ToolRACER: A Robust Agentic Conversation Emulation Resource for Agent Training and Evaluation

Task-oriented conversational agents remain fragile under real world conversation scenarios as they rarely follow a predictable script, especially when users exhibit non-cooperative behavior. Existing function-calling benchmarks often emphasize successful, cooperative interactions and underrepresent adversarial conversa...

Arkajyoti Chakraborty, Aryan Tayal, Ishika Agarwal et al. · 0 citations

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MIT News · Artificial Intelligence Sep 29, 2026

Who we become when we talk to machines

Professor Sherry Turkle’s new book, “Artificial Intimacy,” offers a withering critique of chatbots and the antisocial dynamics she believes they encourage.

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